GRAND RAPIDS FORESTRY LAB, MN

Average of Average Temperature (Degrees Fahrenheit)

(213303)

File last updated on April 23, 2024
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.

YEAR(S)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
1915-----z-----z-----z-----z-----z56.14b62.05a61.56 55.12a43.74 27.03 16.45b46.01e
1916-3.71c3.34 17.39 38.12 49.83a58.60 72.98 65.89 53.53 40.73 26.55 2.35 35.47
1917-3.06 -3.82 21.08 37.15 49.77 58.81a69.45 61.58 53.67 31.91b31.85 -0.02j37.13a
1918-4.33j6.46 29.35 35.13 48.90 60.72 65.27 63.89 47.03a42.74 31.27 19.98 40.98a
191914.19 10.43 22.45a39.87 53.52 67.07 67.00 63.47 56.53 38.87 19.23 2.69 37.94
1920-0.05b10.17 24.98 30.52 53.06 62.70 64.65 64.16 59.77 49.32 26.07 16.85 38.52
192114.53a18.46a25.55 44.43 55.42 67.42 73.27 65.79 58.33 46.23 21.32 12.89 41.97
19226.74 5.52 28.10 40.67 59.47 64.80 66.03 67.37a58.58 46.53a33.93 9.69 40.62
19239.74 4.66 14.90 38.97 53.77 67.17 70.58 61.13 56.10 42.76 34.80 22.16 39.73
1924-0.24 17.53 26.27 37.45a44.29 58.90 64.71 61.81 52.42 49.47 25.77 1.84 36.68
19256.56 14.29 29.39 47.10 51.90 61.97 66.10 68.19 57.38 33.52 28.27 11.24 39.66
192610.48b17.20 20.97 39.90 56.84 59.00 68.10 65.63 51.57a41.40a20.57 7.65 38.27
19275.98 14.89 29.50 41.35 49.23 61.57 65.17a60.80a58.25b46.16 21.71a1.40a38.00
19287.39 12.64 22.76 34.43a55.65 58.33 66.65 64.35 52.71a44.37 31.98a20.00 39.27
1929-6.55 4.43 27.65 40.48 47.92 59.37 67.06 63.63 53.28 44.26 23.48 10.68 36.31
1930-1.78b18.17a24.28b40.81a52.47 62.19a67.77 67.39 55.30 42.26 29.05b17.18a39.59
193116.37 23.43a25.60a42.77 51.55 65.37 68.24 63.50 61.17 50.06 34.48 24.10b43.89
193213.89 11.90 15.89 40.73 54.15 65.65 67.32a65.50 54.78 40.61 23.86a10.29 38.71
193313.65 4.38 22.37 38.93a54.15 68.48 69.20a63.57a60.20 39.00 21.91a6.16 38.50
193413.26 9.02 19.60 39.53 59.22a63.12 66.39 62.10 52.98 47.52a33.40 7.66 39.48
19351.69 19.05 24.42 36.72 49.13 58.00 71.53 64.92 53.28 43.12a20.06u12.85a39.52a
1936-2.44 -6.21 23.42 33.18 56.93a60.15 72.45 66.27 58.00 38.40 22.25 13.97 36.37
1937-2.52 8.05 19.45 36.97a54.61 61.30 68.28a70.15 56.03 39.88a26.64a10.47 37.44
19385.77 15.93 33.29 21.61u50.68 61.95a66.63 69.02 55.68 48.61 25.30b13.10 40.54a
193911.10 1.73b20.34 36.97 56.03 62.35 68.29c66.13 56.80 42.15 32.65 23.84 39.86
19403.60a15.00 17.98 37.60a51.38a60.02 67.37 63.16 59.15 47.18 22.92 15.77 38.43
194110.00 11.05 21.72a47.37 57.71 63.76a69.13 63.72b57.32 45.44 30.00 19.23 41.37
194214.94 12.43 29.98 47.18 49.95 60.24a64.18 64.57a52.00 44.02 25.47 8.09b39.42
19431.31 12.04 15.92 38.92 50.00 62.78 69.35 64.60a52.63 44.77a23.45 15.85 37.64
194419.08 10.91 20.52 37.48 54.63 62.57 65.95 64.98 54.72 45.18a32.37 13.03 40.12
19457.11 11.54 32.40a36.48 45.10a56.30 64.44 64.44 53.53 42.23 25.20 9.24 37.33
19468.47 8.11 35.63 43.58 50.03 60.92 66.58 62.15a54.22 43.29 27.12 11.61 39.31
194712.44 7.66 21.03 36.33 47.63 58.85 68.24 70.42 54.67 52.97a22.72 12.42 38.78
19483.73 8.43 24.37a43.68 53.03 61.18 67.92 66.32 61.53 46.23 29.47 13.00 39.91
194910.47 6.68 21.55 43.80 54.23 64.53 67.42 68.53a53.47 45.65 31.80 11.74 39.99
1950-1.19 11.61 18.29 30.75 49.60 61.15 64.71 60.52 57.05a46.28a23.43 7.03 35.77
19514.61 12.38 19.47 37.88 57.18 59.47 66.22a61.27c52.30 42.97 21.85 9.89 37.12
19526.79 20.50a22.21 45.62 53.19 65.08 67.05 62.70a56.80 39.77 30.80 20.16 40.89
195310.47 12.86 26.47 37.52 51.24 63.13 65.35 66.58 54.90a50.89 34.03 14.35 40.65
19541.58 25.12 21.19 38.27 47.66 63.20 66.76 63.73 54.88 43.27 33.35 19.71 39.89
19558.74 8.96 16.61 47.58 56.90 63.15 70.95 68.47a54.53 45.52 20.32 6.13a38.99
195611.03 9.19 20.18 35.73 50.50 64.60 62.34 62.71 52.09a51.16 30.78 15.31 38.80
19570.94 12.05 23.24 40.20 52.95 60.72 70.05 64.08 53.55 44.26 29.37 17.65 39.09
195816.03 11.29 29.16 43.63 53.45 55.90 64.31 64.02 56.30 46.50 29.75 5.77 39.68
19591.92a10.21 26.68 41.05 54.63 63.53 67.21 67.76 56.03 40.45 18.64a23.23 39.28
19609.66 13.38 17.45 40.17 52.84 59.92 66.32 67.18 56.65 45.65 31.07 11.61 39.32
19616.97 21.71 33.32 35.55 51.34 64.48 66.48 67.90 56.17 46.65 28.83 13.15 41.05
19623.35 9.66 27.31 38.05 55.13 61.18 63.32 64.84 54.00 47.90 33.58 15.21 39.46
19630.53 7.84 29.68 43.10 51.16 64.57 68.79 64.53 58.40 55.37 34.22 7.56 40.48
196415.77 16.31 21.52 41.75 57.39 61.37 68.34 61.03 53.73 44.81 30.47 7.66 40.01
19653.66 6.34 15.42 39.98 54.48 61.18 64.71 63.29 48.13 45.89 27.47 21.82 37.70
1966-4.31 10.27 29.63 36.63 49.79 63.13 70.19 63.00 55.02 43.85 24.73 12.76 37.89
19679.06 4.11 24.97 39.17 47.37 61.58 65.40 62.90 57.18 42.81 26.83 15.24 38.05
19687.76 9.55 32.74 42.60 50.94 61.10 65.69 64.34 56.57 47.11 29.33 10.94 39.89
19695.02 14.75 22.27 43.58 53.47 55.85 66.56 69.08 56.90 40.06 28.58 17.74 39.49
19703.02 11.38 19.31 39.03 51.00 65.55 70.08 66.94 57.83 45.61 27.05 9.69 38.87
1971-0.58 13.36 24.05 41.48 51.26 66.35 63.50 63.55 56.98 48.74 27.98 13.39 39.17
19720.05 6.33 21.97 37.40 58.61 63.30 64.95 64.56 52.32 41.00 26.02 5.98 36.87
197311.79 15.14 35.65 41.00 52.74 63.47 66.69 67.52 54.50 49.23 28.40 12.61 41.56
19746.13 12.44a22.21 41.62 49.34 62.72 70.66 62.77 51.83 46.00 30.37 20.34 39.70
197510.65 13.86 19.90 34.67 56.97 62.15 71.45 65.23 53.43 47.87 30.75 11.69 39.88
19765.66 21.97 24.10 47.03 54.35 66.10 68.13 67.44 57.02 39.00 22.55 4.13 39.79
1977-1.82 17.07 33.81 48.12 63.76 63.98 69.13 60.16 55.27 45.90 27.57 10.29 41.10
19783.10 8.09 25.55 41.25 57.82 62.78 66.42 65.97 59.75 46.03 25.65 7.56 39.16
1979-2.02 5.82 25.08 37.10 49.47 61.43 68.13 62.56 57.77 42.79 27.87 21.00 38.08
19807.82 11.69b21.23 46.12 59.90 63.58 69.56 66.40 54.63 41.29 31.30 11.81 40.44
198112.61 20.23 33.52 43.92 54.82 61.97 68.02 66.97 55.77 43.45 35.97 14.11 42.61
1982-4.00 11.52 23.31 38.60 57.98a58.50 68.89 64.60 56.37 46.94 26.15 20.65 39.12
198312.40 18.93 29.35 38.98 49.66 62.53 71.11 70.03 56.30 43.87 29.86a-1.52 40.13
19845.70a23.07a20.21 44.53 50.81 63.78 67.77 69.63 51.00 47.04c26.64b9.90 40.01
19855.18a7.38 31.24 44.13 57.02 57.57 66.78a61.78a53.75 42.36b18.41a1.92a37.29
198610.18 10.69a27.69 44.95 54.58 62.23 68.21b61.05a53.73 44.08 22.47a17.10a39.75
198713.69 25.65a31.84 48.87 55.82 66.28 69.69 64.06 56.82 40.00 32.55 20.28a43.80
19882.37 4.47 24.97 40.36a59.77a67.48 71.29 66.69 56.45 39.09b28.85 11.50a39.44
198911.23 1.00 18.95 37.17 53.52 61.41a70.34 65.63a55.07 44.71 23.17 2.35 37.05
199017.27 11.23 27.03 40.93 50.79 63.87 66.79 66.13 56.92 41.32 30.35 10.19 40.24
19913.92 17.86 27.08 45.15 58.34 66.50 67.06 69.05 54.12 40.32 21.80 14.73 40.49
199214.42 20.45 27.81 37.25 56.11 59.95 60.53 61.69 53.45 42.65 26.52 12.19 39.42
19937.02 12.89 27.24 39.33 52.39 59.87 65.79 66.68a50.05 40.40a23.35 13.97a38.25
1994-4.27 5.35a29.70a40.62 55.82 64.18 65.81 63.24 58.08 47.22a32.98 20.58 39.94
199510.37 9.52a28.40 35.82 53.42a69.13 66.56 68.73 55.30 42.77 18.77 9.56 39.03
1996-3.09b9.33 17.52 34.97 51.48 63.05a65.45 67.58 56.88 43.22a19.95b9.02 36.28
19974.87a15.04 25.32 39.38 48.98 66.58 67.13 63.66 59.27 45.68a25.68 23.34 40.41
199815.58 29.98 28.61 46.48 60.02 61.87 67.56 68.47 60.78 47.45 30.92 17.55 44.61
19999.70a22.73 31.13 44.78 56.31 64.23 70.63 65.92 55.37 43.53 35.98 20.15 43.37
20009.35 23.05 35.03 41.17 55.52 59.45 68.50 66.21 54.07 46.29 28.57 2.19 40.78
200117.47 7.09 26.08 43.07 55.56 64.88 69.29 68.84 56.58 43.16 38.95 21.24 42.68
200216.66 23.29 19.40 39.00 49.31 66.97 71.42 66.61 59.52 35.32a25.83 20.61 41.16
20039.23 9.55 25.42 42.17 54.16 63.52 69.13 71.02 57.22 45.18 25.92 20.55 41.09
20042.81 19.09 29.90 41.32 48.89 60.17 66.16 60.24 61.42 45.39 32.52 13.32a40.10
20056.23 19.79 25.69 46.12 51.71 64.60a69.48 65.68 59.93 45.90 30.93 18.89 42.08
200624.53 12.45 31.50 49.03a57.03 64.83 73.32 67.18 56.03 41.32 31.97 23.47 44.39
200713.79 7.95 31.34 40.90 57.65 66.78 69.82 65.71 57.02a48.31 28.91b11.97 41.68
20088.27 9.29 23.81 39.10 50.19 61.80 66.85 66.15a57.13 45.31 29.67 4.55 38.51
20092.60 15.38 26.08 42.38 51.42 61.25 62.60 63.15 62.63 38.71 36.93 11.74 39.57
20109.37 15.48 37.61 48.67 55.37 62.05 69.27 68.97 53.02 47.82 30.50 11.39 42.46
20114.79 13.59 25.39 40.78 52.74 61.43 71.26 67.31 55.32 48.18 31.32 21.08 41.10
201216.05 22.45 39.32 42.80 55.58 65.17 72.44 65.98 55.63 41.48 28.95 14.48 43.36
20139.76 13.14 21.98 34.05 52.06 61.73 67.52 67.16 59.30 43.11 25.57 1.02 38.03
2014-0.66 3.25 17.92 36.10 53.08 63.33 65.94 65.34 56.63 43.19 19.58 18.94 36.89
201511.26 3.80 29.37 42.68 52.23 63.08 69.35 64.89 62.17 45.76 35.20 23.74 41.96
201611.53 17.45 34.16 40.80 55.31 62.77 68.76 67.65 59.25 46.98 38.35 13.65 43.05
201713.45 21.14 26.92 43.00 52.34 64.03 68.66 63.15 59.45 45.56 24.80 9.47 41.00
20188.84 8.91 27.60 33.80 59.84 64.83 69.55 66.66 56.55 38.68 21.65 18.61 39.63
20193.77 7.43 23.24 39.90 49.66 62.78 70.08 64.85 57.73 41.55 24.13 15.92 38.42
202013.40 12.84 30.40 38.80 53.18 65.68 71.35 68.16 55.12 37.52 33.35 17.97 41.48
202117.02 6.66 34.60 40.88 55.08 69.53 71.06 70.24 61.42 50.37 30.17 16.29 43.61
20221.98 3.45 23.92 33.43 53.61 63.50 67.47 66.69 59.25 46.52 29.45 12.84 38.51
202315.82 15.77 23.23 37.85 59.40 68.28 67.00 67.55 60.81f46.97 31.15 29.13 42.01a
202415.74 25.66 29.10 -----z-----z-----z-----z-----z-----z-----z-----z-----z23.50i
Period of Record Statistics
MEAN7.34 12.35 25.42 40.40 53.40 62.67 67.77 65.33 55.95 44.22 27.98 13.40 39.70
S.D.6.35 6.51 5.33 3.98 3.54 2.88 2.52 2.56 2.86 3.78 4.67 6.19 1.92
SKEW-0.04 0.15 0.23 0.09 0.14 -0.06 -0.10 0.02 -0.13 -0.28 -0.06 -0.11 0.34
MAX24.53 29.98 39.32 49.03 63.76 69.53 73.32 71.02 62.63 55.37 38.95 29.13 44.61
MIN-6.55 -6.21 14.90 30.52 44.29 55.85 60.53 60.16 47.03 31.91 18.41 -1.52 35.47
YRS108 109 109 107 108 109 109 109 108 109 108 108 103